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EXHIBIT 21
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Subsidiary Jurisdiction of Formation
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Avaya Argentina S.R.L. Argentina
Avaya Australia Pty. Ltd. Australia
Avaya Austria GmbH Austria
Avaya Middle East W.L.L. Bahrain
Avaya FSC Inc. Barbados
Avaya Belgium S.A./N.V. Belgium
Avaya Brasil Ltda. Brazil
Avaya Canada Corp. Canada
Soundlogic Acquisition ULC Canada
Avaya Chile Limitada Chile
Avaya Communication de Colombia S.A. Colombia
Avaya Czech Republic s.r.o. Czech Republic
Avaya Denmark ApS Denmark
Avaya EMEA Ltd. Delaware
Avaya France France
Avaya Deutschland GmbH Germany
Avaya (Gibraltar) Investments Limited Gibraltar
Avaya Hong Kong Company Ltd. Hong Kong
Avaya Hungary Ltd.A45 Hungary
Avaya India Pvt. Limited India
TATA Telecom Ltd. India
P.T. Avaya Indonesia Indonesia
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Avaya GCM Sales Limited Ireland
Avaya Holdings Ltd. Ireland
Avaya International Sales Limited Ireland
Avaya Ireland Limited Ireland
Avaya Communication Israel Ltd. Israel
Avaya Italia S.p.A. Italy
Avaya Japan Ltd. Japan
Avaya Nederland B.V. Netherlands
Avaya Korea Ltd. Korea
Avaya Luxembourg Investments S.a.r.l. Luxembourg
Avaya International Enterprises Limited Ireland
Avaya (Malaysia) Sdn. Bhd. Malaysia
Avaya Communication de Mexico S.A. de C.V. Mexico
Avaya (China) Communications Co., Ltd. People's Republic of China
Avaya Tianjin Cable Company, Ltd. People's Republic of China
Avaya Panama Ltda. Panama
Avaya Peru S.R.L. Peru
Avaya Philippines Inc. Philippines
Avaya Poland Sp. z.o.o. Poland
Avaya Puerto Rico, Inc. Puerto Rico
ZAO Avaya Russian Federation
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Avaya Singapore Pte. Ltd. Singapore
Avaya Slovakia s.r.o. Slovak Republic
Avaya Communicacion Espana, S.L. Spain
Avaya Sweden AB Sweden
Avaya Switzerland AG Switzerland
Avaya Asia Pacific Inc. Delaware
Avaya UK Holdings Limited United Kingdom
Avaya UK United Kingdom
Avaya ECS Limited United Kingdom
Mosaix Ltd. United Kingdom
Avaya plc United Kingdom
Avaya Capital Ireland United Kingdom
Network Alchemy Ltd. United Kingdom
Octel Communications Ltd. United Kingdom
Octel Communications Services Ltd. United Kingdom
FirstChoice CTI Ltd. United Kingdom
SDX Systemcare Ltd. United Kingdom
Telecom Technique Ltd. United Kingdom
Viewstar UK Limited United Kingdom
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Objective Communications Ltd. United Kingdom
Avaya CALA Inc. Delaware
Avaya Inc. Delaware
Avaya Holdings LLC Delaware
Avaya Holdings One, LLC Delaware
Avaya Holdings Two, LLC Delaware
Octel Communications LLC Delaware
Avaya Holdings Five, LLC Delaware
Avaya International LLC Delaware
Avaya Management Services Inc. Delaware
Avaya Realty Inc. New Jersey
Avaya Receivables Funding LLC Delaware
Avaya Technology Corp. Delaware
Avaya Finance Inc. Delaware
Avaya Licensing Corporation Delaware
Avaya Venture Partners Inc. Delaware
Avaya World Services Inc. Delaware
Mercury Insurance Company Vermont
Avaya Integrated Cabinet Solutions Inc. Delaware
Technology Corporation of America, Inc. Delaware
VPNet Technologies, Inc. Delaware
Avaya Venezuela S.A. Venezuela
Avaya Elecon C.A. Venezuela
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